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pvr: Handle vdm degen_cull_enable.

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Signed-off-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Reviewed-by: Rajnesh Kanwal <rajnesh.kanwal@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17206>
This commit is contained in:
Karmjit Mahil 2022-05-17 09:52:02 +01:00 • committed by Marge Bot
parent 7858c32550
commit 4240c83960
3 changed files with 12 additions and 0 deletions
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2
src/imagination/common/pvr_device_info.c
View file

@ -156,6 +156,7 @@ const struct pvr_device_features pvr_device_features_33_V_11_3 = {
.has_uvs_pba_entries = true,
.has_uvs_vtx_entries = true,
.has_vdm_cam_size = true,
.has_vdm_degenerate_culling = true,
.common_store_size_in_dwords = 512U * 4U * 4U,
.isp_max_tiles_in_flight = 1U,
@ -235,6 +236,7 @@ const struct pvr_device_features pvr_device_features_36_V_104_796 = {
.has_uvs_pba_entries = true,
.has_uvs_vtx_entries = true,
.has_vdm_cam_size = true,
.has_vdm_degenerate_culling = true,
.has_xpu_max_slaves = true,
.common_store_size_in_dwords = 1344U * 4U * 4U,

1
src/imagination/common/pvr_device_info.h
View file

@ -291,6 +291,7 @@ struct pvr_device_features {
bool has_uvs_pba_entries : 1;
bool has_uvs_vtx_entries : 1;
bool has_vdm_cam_size : 1;
bool has_vdm_degenerate_culling : 1;
bool has_xpu_max_slaves : 1;
bool has_xt_top_infrastructure : 1;
bool has_zls_subtile : 1;

9
src/imagination/vulkan/pvr_cmd_buffer.c
View file

@ -4503,6 +4503,10 @@ static void pvr_emit_vdm_index_list(struct pvr_cmd_buffer *cmd_buffer,
unsigned int index_stride = 0;
pvr_csb_emit (csb, VDMCTRL_INDEX_LIST0, list0) {
const bool vertex_shader_has_side_effects =
cmd_buffer->state.gfx_pipeline->vertex_shader_state.stage_state
.has_side_effects;
list0.primitive_topology = pvr_get_hw_primitive_topology(topology);
/* First instance is not handled in the VDM state, it's implemented as
@ -4541,6 +4545,11 @@ static void pvr_emit_vdm_index_list(struct pvr_cmd_buffer *cmd_buffer,
list0.index_base_addrmsb = index_buffer_addr;
}
list0.degen_cull_enable =
PVR_HAS_FEATURE(&cmd_buffer->device->pdevice->dev_info,
vdm_degenerate_culling) &&
!vertex_shader_has_side_effects;
list_hdr = list0;
}